{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:IGSENCTS3R4GZRTOL7NK5MQQKX","short_pith_number":"pith:IGSENCTS","canonical_record":{"source":{"id":"0904.4395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-04-28T13:31:32Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1dc4e1a7cc2858590721a5ab793ee622dbbfb1ebca7f4588089c38c39e747cef","abstract_canon_sha256":"34e07f6204932877293c1f3efb7c027b1c0f4ff5b5050aed70670931dde552c6"},"schema_version":"1.0"},"canonical_sha256":"41a4468a72dc786cc66e5fdaaeb21055fca2db41f13194cdc46df04fb50fcc58","source":{"kind":"arxiv","id":"0904.4395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.4395","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"0904.4395v1","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.4395","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"IGSENCTS3R4G","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IGSENCTS3R4GZRTO","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IGSENCTS","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:IGSENCTS3R4GZRTOL7NK5MQQKX","target":"record","payload":{"canonical_record":{"source":{"id":"0904.4395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-04-28T13:31:32Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1dc4e1a7cc2858590721a5ab793ee622dbbfb1ebca7f4588089c38c39e747cef","abstract_canon_sha256":"34e07f6204932877293c1f3efb7c027b1c0f4ff5b5050aed70670931dde552c6"},"schema_version":"1.0"},"canonical_sha256":"41a4468a72dc786cc66e5fdaaeb21055fca2db41f13194cdc46df04fb50fcc58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:56.664374Z","signature_b64":"BLRQQW6SYaQfyrxfr0FpujaMU55QDzDyji/mNIGF9XkxIyKMoZ/ZcntN7lKxBl90DgB8+Nm0skuUThY92rXuDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41a4468a72dc786cc66e5fdaaeb21055fca2db41f13194cdc46df04fb50fcc58","last_reissued_at":"2026-05-18T02:13:56.663642Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:56.663642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.4395","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"086OmqnvO/p3KsOaDQzqOMEGEm0S8C3HhILyQ3BhWZIW+74pMJRD3cyY+Yg3fGy0cxWXdEcSqtrcka8aMJAnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:10:24.266344Z"},"content_sha256":"c58ab66d9849af410c9ad34d34a37a305e6ddc63fd16ada2e44b7c3df27182bd","schema_version":"1.0","event_id":"sha256:c58ab66d9849af410c9ad34d34a37a305e6ddc63fd16ada2e44b7c3df27182bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:IGSENCTS3R4GZRTOL7NK5MQQKX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of electron exchange on atomic ionization in a strong electric field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"((1) The Hebrew University, 2), (2) Ioffe Physico-Technical Institute, Israel, Jerusalem, M. Ya. Amusia (1, Russia), St. Petersburg","submitted_at":"2009-04-28T13:31:32Z","abstract_excerpt":"Hartree-Fock atom in a strong electric static field is considered. It is demonstrated that exchange between outer and inner electrons, taken into account by the so-called Fock term affects strongly the long-range behavior of the inner electron wave function. As a result, it dramatically increases its probability to be ionized. A simple model is analyzed demonstrating that the decay probability, compared to the case of a local (Hartree) atomic potential, increases by many orders of magnitude. As a result of such increase, the ratio of inner to outer electrons ionization probability became not t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.4395","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:13:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EYU/B5JKFUubAXg+6xWJOjFqPUEZVHa62UDiWvWp98+pdwGg/3rc0Z8RAYiY6HSgY8gh2ML1oMtnTEE5Cd5uCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T11:10:24.266699Z"},"content_sha256":"cfd64bdff516733c7e6182469137d86e13c389bfde4bb60003d5a445163ce8d6","schema_version":"1.0","event_id":"sha256:cfd64bdff516733c7e6182469137d86e13c389bfde4bb60003d5a445163ce8d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/bundle.json","state_url":"https://pith.science/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-09T11:10:24Z","links":{"resolver":"https://pith.science/pith/IGSENCTS3R4GZRTOL7NK5MQQKX","bundle":"https://pith.science/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/bundle.json","state":"https://pith.science/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IGSENCTS3R4GZRTOL7NK5MQQKX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:IGSENCTS3R4GZRTOL7NK5MQQKX","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"34e07f6204932877293c1f3efb7c027b1c0f4ff5b5050aed70670931dde552c6","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-04-28T13:31:32Z","title_canon_sha256":"1dc4e1a7cc2858590721a5ab793ee622dbbfb1ebca7f4588089c38c39e747cef"},"schema_version":"1.0","source":{"id":"0904.4395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.4395","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"arxiv_version","alias_value":"0904.4395v1","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.4395","created_at":"2026-05-18T02:13:56Z"},{"alias_kind":"pith_short_12","alias_value":"IGSENCTS3R4G","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IGSENCTS3R4GZRTO","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IGSENCTS","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:cfd64bdff516733c7e6182469137d86e13c389bfde4bb60003d5a445163ce8d6","target":"graph","created_at":"2026-05-18T02:13:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Hartree-Fock atom in a strong electric static field is considered. It is demonstrated that exchange between outer and inner electrons, taken into account by the so-called Fock term affects strongly the long-range behavior of the inner electron wave function. As a result, it dramatically increases its probability to be ionized. A simple model is analyzed demonstrating that the decay probability, compared to the case of a local (Hartree) atomic potential, increases by many orders of magnitude. As a result of such increase, the ratio of inner to outer electrons ionization probability became not t","authors_text":"((1) The Hebrew University, 2), (2) Ioffe Physico-Technical Institute, Israel, Jerusalem, M. Ya. Amusia (1, Russia), St. Petersburg","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-04-28T13:31:32Z","title":"Effect of electron exchange on atomic ionization in a strong electric field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.4395","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c58ab66d9849af410c9ad34d34a37a305e6ddc63fd16ada2e44b7c3df27182bd","target":"record","created_at":"2026-05-18T02:13:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"34e07f6204932877293c1f3efb7c027b1c0f4ff5b5050aed70670931dde552c6","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2009-04-28T13:31:32Z","title_canon_sha256":"1dc4e1a7cc2858590721a5ab793ee622dbbfb1ebca7f4588089c38c39e747cef"},"schema_version":"1.0","source":{"id":"0904.4395","kind":"arxiv","version":1}},"canonical_sha256":"41a4468a72dc786cc66e5fdaaeb21055fca2db41f13194cdc46df04fb50fcc58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41a4468a72dc786cc66e5fdaaeb21055fca2db41f13194cdc46df04fb50fcc58","first_computed_at":"2026-05-18T02:13:56.663642Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:56.663642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BLRQQW6SYaQfyrxfr0FpujaMU55QDzDyji/mNIGF9XkxIyKMoZ/ZcntN7lKxBl90DgB8+Nm0skuUThY92rXuDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:56.664374Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.4395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c58ab66d9849af410c9ad34d34a37a305e6ddc63fd16ada2e44b7c3df27182bd","sha256:cfd64bdff516733c7e6182469137d86e13c389bfde4bb60003d5a445163ce8d6"],"state_sha256":"5f265b9c79cc083693a48e96a19df6a8994fb3e3f388fff44764eb75b1273dd7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cEfsKxqXPbQoULY8hkZWwVBXGBhpLae6pUVI5awGX9H1pIwdDp2LY2m8e99ZZhld6Jwzy4BY0LevWas6RxyZBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T11:10:24.268545Z","bundle_sha256":"2cb5c60576e4a0d0942ba4922bdd4736f41b0c807c3d0e89e10d0d5bf159de1f"}}